Abstract
Plant genomes are unique in an intriguing feature: the range of their size variation is unprecedented among living organisms. Although polyploidization contributes to this variability, transposable elements (TEs) seem to play the pivotal role. TEs, often considered intragenomic parasites, not only affect the genome size of the host, but also interact with other genes, disrupting and creating new functions and regulatory networks. Coevolution of plant genomes and TEs has led to tight regulation of TE activity, and growing evidence suggests their relationship became mutualistic. Although the expansions of TEs represent certain costs for the host genomes, they may also bring profits for populations, helping to overcome challenging environmental (biotic/abiotic stress) or genomic (hybridization and allopolyploidization) conditions. In this paper, we discuss the possibility that the possession of inducible TEs may provide a selective advantage for various plant populations.
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Claims 8
Claim · model-written summary
Transposable elements appear pivotal to variation in plant genome size.
Verbatim
e0“Plant genomes are unique in an intriguing feature: the range of their size variation is unprecedented among living organisms. Although polyploidization contributes to this variability, transposable elements (TEs) seem to play the pivotal role”
Claim · model-written summary
Transposable elements affect plant genome size.
Verbatim
e0“TEs, often considered intragenomic parasites, not only affect the genome size of the host, but also interact with other genes, disrupting and creating new functions and regulatory networks”
t0“Plant Genomes”
Claim · model-written summary
Transposable elements can disrupt gene functions and regulatory networks.
Verbatim
e0“TEs, often considered intragenomic parasites, not only affect the genome size of the host, but also interact with other genes, disrupting and creating new functions and regulatory networks”
t0“Plant Genomes”
Claim · model-written summary
Transposable element coevolution has led to tight control of their activity.
Verbatim
e0“Coevolution of plant genomes and TEs has led to tight regulation of TE activity”
Claim · model-written summary
Evidence suggests that the plant genome and transposable element relationship has become mutualistic.
Verbatim
e0“growing evidence suggests their relationship became mutualistic”
t0“Plant Genomes”
Claim · model-written summary
Transposable element expansion can impose costs on plant genomes.
Verbatim
e0“the expansions of TEs represent certain costs for the host genomes”
t0“Plant Genomes”
Claim · model-written summary
Transposable elements may help plant populations overcome environmental or genomic challenges.
Verbatim
e0“they may also bring profits for populations, helping to overcome challenging environmental (biotic/abiotic stress) or genomic (hybridization and allopolyploidization) conditions”
t0“Plant Genomes”
Claim · model-written summary
Inducible transposable elements may give plant populations a selective advantage.
Verbatim
e0“possession of inducible TEs may provide a selective advantage for various plant populations”